Tag "Test_GPU_SDR_Info_At_Power_On" added in skip list

MRW changes needed and we are not going to get fix anytime sooner.

Change-Id: I69a4f46ec0ecd46feccc7a9d0face16ba0dff6f7
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/test_lists/skip_test_witherspoon b/test_lists/skip_test_witherspoon
index c38d644..37332e8 100644
--- a/test_lists/skip_test_witherspoon
+++ b/test_lists/skip_test_witherspoon
@@ -23,3 +23,5 @@
 # https://github.com/openbmc/openbmc-test-automation/issues/1411
 -e Check_BMC_Memory_Name_Property_Is_Set
 -e Check_BMC_Memory_Device_Type_Property_Is_Set
+# MRW changes required for this to work.
+-e Test_GPU_SDR_Info_At_Power_On